| 超声激发的生物组织声发射模型 |
| |
| 引用本文： | 何培忠,段世梅,寿文德,钱德初.超声激发的生物组织声发射模型[J].上海交通大学学报,2005,39(8):1358-1362. |
| |
| 作者姓名： | 何培忠 段世梅 寿文德 钱德初 |
| |
| 作者单位： | 上海交通大学,生物医学工程系,上海,200030;徐州师范大学,物理系,徐州,221009;上海交通大学,生物医学工程系,上海,200030 |
| |
| 摘 要： | 应用振动球模型对超声激发的生物组织声发射（USAE）声压幅度进行理论分析和模拟计算；分析了差频选取、组织声吸收、组织弹性以及共焦换能器聚焦性能等几种重要因素对生物组织声发射的不同影响。结果与现有文献报道的离体组织实验以及计算机仿真结果相符合，表明振动球模型对指导USAE的相关实验研究有重要参考价值。
|
| 关 键 词： | 超声激发声发射 共焦区 振动球模型 辐射阻抗 |
| 文章编号： | 1006-2467(2005)08-1358-05 |
| 收稿时间： | 2004-09-11 |
| 修稿时间： | 2004年9月11日 |
The Model of Ultrasound-Stimulated Acoustic Emission in Tissue |
| |
| HE Pei-zhong,DUAN Shi-mei,SHOU Wen-de,QIAN De-Chu.The Model of Ultrasound-Stimulated Acoustic Emission in Tissue[J].Journal of Shanghai Jiaotong University,2005,39(8):1358-1362. |
| |
| Authors: | HE Pei-zhong DUAN Shi-mei SHOU Wen-de QIAN De-Chu |
| |
| Abstract: | By applying the vibrating-ball model, the pressure amplitude of ultrasound-stimulated acoustic emission (USAE) was analyzed theoretically and calculated simulatively. The dependence of USAE in tissue on several important factors, including the choice of difference frequency,tissue absorption of sound, tissue elasticity and focusing performance of the confocal transducer, was discussed. The results are in agreement with those of the tissue experiment in vitro and computer simulation in the current literatures. The vibrating-ball model has an important reference value in guiding the experiment research on USAE. |
| |
| Keywords: | ultrasound-stimulated acoustic emission (USAE) confocal region vibrating-ball model radiation impedance |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
